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  • Title: [A necrobiotic nodule indistinguishable from lung adenocarcinoma].
    Author: Hanada T, Hizawa N, Ogura S, Isobe H, Miyamoto K, Narita Y, Kawakami Y.
    Journal: Nihon Kyobu Shikkan Gakkai Zasshi; 1995 Mar; 33(3):369-72. PubMed ID: 7739185.
    Abstract:
    A 43-year-old woman was referred for examination because of an abnormal shadow on a chest X-ray film. She had a 12-year history of seropositive rheumatoid arthritis. Chest X-ray films and CT scans showed a pleurabased solitary nodule without a cavity. Cytological examination of a transbronchial biopsy specimen did not lead to a diagnosis, so thoracoscopic enucleation was performed. Histologically, the nodule consisted of lymphocytes and fibroblasts surrounding a central necrotic area, which indicated that it was a rheumatoid nodule. This solitary necrobiotic nodule was radiographically indistinguishable from lung adenocarcinoma, so histologic confirmation was necessary.
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